Pith Number

pith:7NGYWZPO

pith:2023:7NGYWZPOAACYJLCWYHWAOKUXJN

not attested not anchored not stored refs pending

Stacked Intelligent Metasurface Performs a 2D DFT in the Wave Domain for DOA Estimation

Chau Yuen, H. Vincent Poor, Jiancheng An, Lajos Hanzo, Marco Di Renzo, Merouane Debbah

arxiv:2310.09861 v1 · 2023-10-15 · cs.IT · eess.SP · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NGYWZPOAACYJLCWYHWAOKUXJN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T07:01:12.153331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4d8b65ee000584ac56c1ec072a974b7f1cf3dd62f921710941c391aff8957a

Aliases

arxiv: 2310.09861 · arxiv_version: 2310.09861v1 · doi: 10.48550/arxiv.2310.09861 · pith_short_12: 7NGYWZPOAACY · pith_short_16: 7NGYWZPOAACYJLCW · pith_short_8: 7NGYWZPO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7NGYWZPOAACYJLCWYHWAOKUXJN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fb4d8b65ee000584ac56c1ec072a974b7f1cf3dd62f921710941c391aff8957a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6681d3ed4d1de5583250b905a55a1f4ae4689b0f2f3758d948e27dea86d315d0",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2023-10-15T15:28:58Z",
    "title_canon_sha256": "519e3c35a6ed9e0ba1b7514e80b65060700480112c4bbdb672ea3379018586f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.09861",
    "kind": "arxiv",
    "version": 1
  }
}